// A fully synchronized BoundedQueue.  Adds
// synchronization to the BoundedQueue class.
// Note: This implementation is buggy and is
// shown as an example only.
public class SyncBoundedQueue extends BoundedQueue {
    public SyncBoundedQueue(int size) { super(size); }

    synchronized public boolean isEmpty() { 
        return super.isEmpty();
    }

    synchronized public boolean isFull() {
        return super.isFull();
    }

    synchronized public int getCount() {
        return super.getCount();
    }

    synchronized public void push(Object e) {
        super.push(e);
    }
 
    synchronized public void pop(Object e) {
        super.pop();
    }

    // Test driver (note: shows problems with this implementation)
    public static void main(String argv[] ) {
        SyncBoundedQueue queue = new SyncBoundedQueue(5);
        new Producer(queue,10).start();
        new Consumer(queue,10).start();    
    } 
}